I was not able to find a site to give me a lot of historical information on the Tomes surname origin. I will post what I have found and suggest that anyone with more information forward it to me.

Spelling variations include: Toomie, O'Toomie, Twomey, O'Twomey, Twomy, O'Twomy, Twony, Toomey, O'Toomey, Toomy, O'Toomy, Twomie, O'Twomie, Twome, O'Twome, Toomee, O'Toomee, Tome, O'Tome, Thomey, O'Thomey, Thoume, O'Thoume, Thomey, O'Thomey, Tumey, O'Tumey, Tumee and many more.

First found in county Cork where they held a family seat from very ancient times.

Some of the first settlers of this name or some of its variants were: Elizabeth, Michael, and Jerry Twomey who settled in Boston Mass. in 1847; Jeremiah Twomay settled in Boston Mass. in 1850; Jeremiah Twomey settled in Philadelphia Pa. in 1833.